diff --git a/pkgs/by-name/pa/paru/package.nix b/pkgs/by-name/pa/paru/package.nix
index 8f8780a8a548..52278491e4ed 100644
--- a/pkgs/by-name/pa/paru/package.nix
+++ b/pkgs/by-name/pa/paru/package.nix
@@ -53,9 +53,9 @@ rustPlatform.buildRustPackage rec {
 
   postInstall = ''
     installManPage man/paru.8 man/paru.conf.5
-    installShellCompletion --bash completions/bash
-    installShellCompletion --fish completions/fish
-    installShellCompletion --zsh completions/zsh
+    installShellCompletion --name paru.bash --bash completions/bash
+    installShellCompletion --name paru.fish --fish completions/fish
+    installShellCompletion --name _paru --zsh completions/zsh
     cp -r locale "$out/share/"
   '';